go/test/fixedbugs/issue4813.go

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1.1 KiB
Go

// errorcheck
// Copyright 2013 The Go Authors. All rights reserved.
// Use of this source code is governed by a BSD-style
// license that can be found in the LICENSE file.
// Issue 4813: use of constant floats as indices.
package main
var A [3]int
var S []int
var T string
const (
i = 1
f = 2.0
f2 = 2.1
c = complex(2, 0)
c2 = complex(2, 1)
)
var (
vf = f
vc = c
)
var (
a1 = A[i]
a2 = A[f]
a3 = A[f2] // ERROR "truncated|must be integer"
a4 = A[c]
a5 = A[c2] // ERROR "truncated|must be integer"
a6 = A[vf] // ERROR "non-integer|must be integer"
a7 = A[vc] // ERROR "non-integer|must be integer"
s1 = S[i]
s2 = S[f]
s3 = S[f2] // ERROR "truncated|must be integer"
s4 = S[c]
s5 = S[c2] // ERROR "truncated|must be integer"
s6 = S[vf] // ERROR "non-integer|must be integer"
s7 = S[vc] // ERROR "non-integer|must be integer"
t1 = T[i]
t2 = T[f]
t3 = T[f2] // ERROR "truncated|must be integer"
t4 = T[c]
t5 = T[c2] // ERROR "truncated|must be integer"
t6 = T[vf] // ERROR "non-integer|must be integer"
t7 = T[vc] // ERROR "non-integer|must be integer"
)